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发明名称
Gate valve
摘要
申请公布号
US2562285(A)
申请公布日期
1951.07.31
申请号
US19480019792
申请日期
1948.04.08
申请人
G. DIKKERS & CO. N. V.
发明人
TIMMER JAN H.
分类号
F16K3/28
主分类号
F16K3/28
代理机构
代理人
主权项
地址
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